Advance 56112399 SC750™ 26D Walk Behind Floor Scrubber Four 310 Ah wet batteries, EcoFlex™, onboard charger, pad holders length_34 in 7 Maximum Fill Inlet Pressure 1.4 mm 7 Maximum Fill Inlet Pressure (kPa) 34470 Maximum Fill Inlet Pressure (psi) 5000 Maximum Run Time (min) 30 Maximum Voltage (V dc) 16 Minimum Voltage (V dc) 9 Number of Machine Count Sensor Inputs 1 Number of Pressure and Cycle Sensor Inputs 3 Number of Pump Elements Up to 3 Number of Sensor Inputs 3 : 60" Shaft Diameter 4 and accommodate both light traffic and heavily soiled areas with a single pass Leave your floors clean and dry for immediate use with this efficient and versatile floor scrubber